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STAR ANISE OIL OIL

Anisi stellati aetheroleum

DEFINITION

Essential oil obtained by steam distillation from the dry ripe fruits of Illicium verum Hook. fil.

Chromatographic profile. Gas chromatography (2.2.28): use the normalisation procedure.

Test solution. Dissolve 200 µl of the substance to be examined in 1.0 ml of hexane R.

Reference solution. To 1.0 ml of hexane R, add 20 µl of linalol R, 20 µl of estragole R, 20 µl of α-terpineol R, 60 µl of anethole R and 30 µl of anisaldehyde R.

Column:

—  material: fused silica,

—  size: l = 30 m, Ø = 0.25 mm,

—  stationary phase: macrogol 20 000 R (film thickness 0.25 µm).

Carrier gas: helium for chromatography R.

Flow rate: 1.0 ml/min.

Split ratio: 1:100.

Detection: flame ionisation.

Injection: 0.2 µl.

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